On Thu, Nov 03, 2022 at 02:13:48PM +0100, Oleksij Rempel wrote:
> Add promiscuous mode configuration support to allow using multiple MAC address
> on same FEC interfaces.
>
> Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
> ---
> drivers/net/fec_imx.c | 24 +++++++++++++++++++++++-
> drivers/net/fec_imx.h | 1 +
> 2 files changed, 24 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/fec_imx.c b/drivers/net/fec_imx.c
> index 673555a48a..a5ff764e28 100644
> --- a/drivers/net/fec_imx.c
> +++ b/drivers/net/fec_imx.c
> @@ -25,6 +25,22 @@
>
> #include "fec_imx.h"
>
> +static int fec_set_promiscuous_mode(struct eth_device *edev, bool enable)
> +{
> + struct fec_priv *fec = (struct fec_priv *)edev->priv;
> + u32 rcntl;
> +
> + rcntl = readl(fec->regs + FEC_R_CNTRL);
> +
> + if (enable)
> + rcntl |= FEC_R_CNTRL_PROMISC;
> + else
> + rcntl &= ~FEC_R_CNTRL_PROMISC;
> +
> + writel(rcntl, fec->regs + FEC_R_CNTRL);
> +
> + return 0;
> +}
>
> /*
> * MII-interface related functions
> @@ -257,10 +273,13 @@ static int fec_init(struct eth_device *dev)
> */
> writel(0x00000000, fec->regs + FEC_IMASK);
>
> + rcntl = readl(fec->regs + FEC_R_CNTRL);
> + rcntl &= FEC_R_CNTRL_PROMISC;
> +
> /*
> * Set FEC-Lite receive control register(R_CNTRL):
> */
> - rcntl = FEC_R_CNTRL_MAX_FL(1518);
> + rcntl |= FEC_R_CNTRL_MAX_FL(1518);
Mask out the set bits before setting them again.
Sascha
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